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Customer Contract Related Balances - Schedule of Trade Receivables, Customer Finance, Contract Assets, Contract Liabilities and Deferred Sales Commissions (Parenthetical) (Detail) - SEK (kr) kr in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure Of Receivables Customer Finance Contract Assets And Contract Liabilities [Line Items] |  |
Current deferred sales commissions | kr 491 | kr 414
Current trade receivables | 44,151 | 42,215
Associates [member] |  |
Disclosure Of Receivables Customer Finance Contract Assets And Contract Liabilities [Line Items] |  |
Current trade receivables | kr 177 | kr 166

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- Details
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